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Expired Canadian patentCanada

Method and apparatus for handling messages containing pre-selected data

CA 2597083 C · Owner: Ca, Inc. · Inventors: Fridman, Vitali; Bothwell, Eric; Rowney, Kevin T.

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A method and apparatus for blocking messages containing pre-selected data is described. In one embodiment, the method includes determining that a message transmitted to a recipient via a network includes pre-selected data. The preselected data contains information from at least one random row within the tabular structure of source data. The method further includes preventing an unauthorized transmission of the pre-selected data to the recipient.

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Filed February 14, 2006 and granted October 28, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 14, 2026.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 14, 2006
GrantedOctober 28, 2014
Term endedFebruary 14, 2026
Patent numberCA 2597083 C
Classification (IPC)H04L51/06 +2 more

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedFeb 14, 2006Patent grantedOct 28, 2014Term endedFeb 14, 2026

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.